Amendment_Two.pdf

Amendment Two

* Question 3 The due date of September 23rd poses a challenge for contractors with mailing proposals on a Friday for receipt at your office on Monday. We also lose a few days of work on the proposal. Can you consider an extension to Wednesday or Thursday of the same week.

Answer 3 The bid opening date is extended to September 24th at 1:00 pm Eastern Time.

* Question 4 Spud Drawing 843-B550-01 (sheet 1), Profile 7G - specified the side plate of the spuds is 1”. The isometric view 11-D specified exterior body as A5 an A6 which is ½” plate in the list of materials (material listed as API 5L X-52 ???). Please clarify.

Answer 4 The plate sizing and material is incorrectly shown on the drawing. The correct plate sizing is ¾” plating and the plating material shall be ASTM A588 Grade 50. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

* Question 5 Spud Well Drawing 843-B552-01 (sheet 3), detail - Plan view of fender assembly. Can you provide dimension of the spud.

Answer 5 The spud well dimension is incorrectly shown on the drawing as 42-1/2” x 42-1/2”. The 42-1/2” dimensions shown in the plan view of the spud well drawing should be 30” x 30”. The spud dimensions are 30”x30” per Contract Drawing 843-B550-01. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

* Question 6 Section C456 Capstan, Item D, page 45. Specifications specified a deck mounted in-line capstan (the Schoellhorn-Albrecht model 22300 in line capstan specified is a thru-the deck capstan).

The General arrangement drawing has the two (2) stern capstan units located over the ballast tanks.

Can the shipyard provide a standard deck mounted unit? We do not believe a thru-deck capstan located in a ballast tank is ideal for operation.

Answer 6 The Government does not intend to change the requirement in the solicitation and on the drawings at this time. This issue will be considered during the engineering phase and any changes resulting from this will be addressed at a later date.

* Question 7 Section C420 Deck Fittings, 14-7/8" roller chocks - Nabrico DF-100 - shown on drawing -not included in specifications. Please confirm if required.

Answer 7 The drawing incorrectly shows a 14-7/8” roller chock. In lieu of roller chocks, a 10” button chock similar to those manufactured by Nabrico shall be provided at the locations identified on the drawing. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

* Question 8 Section C420 Deck Fittings, 10" double bitts DF-40 are included in specification, but not shown on drawings. Please confirm if required.

Answer 8 The Contractor shall provide and install 10" double bitts DF-40 in accordance with the specification. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

* Question 9 Section C420 Deck Fittings, 10" Nabrico button chocks are included in specification, but not shown on drawings. Please confirm if required.

Answer 9 The Contractor shall provide and install 10" button chocks similar to those manufactured by Nabrico in accordance with the specification. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

*Question 10 Section C420 Deck Fittings, 10-inch double roller chocks are included in specification, but not shown on drawings. Please confirm if required.

Answer 10 The 10-inch double roller chocks are shown on Contract Drawing 843-B420-01 on sheet 1, detail 6-D. The roller chocks shall be provided and installed as shown on the drawings.

* Question 11 Section C445 Lifesaving & Safety specified a 50-HP diesel outboard. General Arrangement shows a 250 HP. Please confirm.

Answer 11 The drawing incorrectly shows a 250 HP outboard. The outboard engine shall be 50hp diesel engine in accordance with specification. The Contractor shall update the drawings during the engineering phase of the Contract to reflect these changes.

* Question 12 Section C425, Item D, Floor Plating, page 34 and Section C430, Item C, Interior Decks, page 36). Can contractors use standard Stainless steel self-taping screws in lieu of countersunk - NOTE:

the diamond floor plated has the raised diamond pattern also the smooth aluminum floor plates located below the main deck (in the bunk room area & the hold level head) will have underlayment with either a rubber flooring system or poylmeric decking install over the aluminum. (which the screw head thickness should be less than the underlayment & flooring system)

Answer 12 The Government does not intend to change the requirement in the solicitation and on the drawings.

* Question 13 Section C425, specifications states on page 34 - The floor plates in the bunk room area (frame 31-40, outboard starboard side) shall consist of smooth aluminum plate. These plates are to be sectionalized for easy removal and shall be held in place by countersunk flat head stainless steel screws.

The specifications also states on page 36 the following. 1) Underlayment shall be applied to Bunk Rooms and Hold Level Head. 2) The Bunk Room decks shall have a manufactured rubber flooring system installed 3) Hold Level Head shall be covered with a polymeric decking. Please clarify deck covering/floor plating requirements in the bunk room and head areas.

Answer 13 Section C425 incorrectly requires sectionalized floor plating for the bunk room and head areas. The requirement for the floor plating to be sectionalized (for future removal/access) does not apply to these areas.

* Question 14 Who is responsible to provide the wire rope for the GFE Crawler Crane? Will the cable / wire rope come install on the unit?

Answer 14 The Crane manufacturer will provide the wire rope and a technical representative will direct the unloading and assembly of the crane. In accordance with Solicitation section C540, the barge

Contractor shall provide all of the labor and equipment required to assemble and place the crane on the deck of the barge. The barge Contractor shall also be responsible for tensioning and installing the cable on the crane in accordance with the crane manufacturer’s instructions.